linux-kernel - Re: [PATCH v1 3/3] device property: attach 'else if' to the proper 'if'

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Message-ID: <1439226322.29746.227.camel@linux.intel.com>
Date:	Mon, 10 Aug 2015 20:05:22 +0300
From:	Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
To:	"Rafael J . Wysocki" <rafael.j.wysocki@...el.com>,
	Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH v1 3/3] device property: attach 'else if' to the proper
 'if'

On Mon, 2015-08-10 at 19:56 +0300, Andy Shevchenko wrote:
> Obviously in the current place the 'else' keyword is redundant, 
> though it seems
> quite correct when we check if nval is in allowed range.
> 
> Reattach the condition branch there.

Rafael, it would be nice to have these fixes in 4.3 as well if you have
no objections.

One comment below.

> 
> Signed-off-by: Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
> ---
>  drivers/acpi/property.c | 8 ++++----
>  1 file changed, 4 insertions(+), 4 deletions(-)
> 
> diff --git a/drivers/acpi/property.c b/drivers/acpi/property.c
> index 7836e2e..a28752c 100644
> --- a/drivers/acpi/property.c
> +++ b/drivers/acpi/property.c
> @@ -528,13 +528,14 @@ int acpi_dev_prop_read(struct acpi_device 
> *adev, const char *propname,
>  
>  	if (!val)
>  		return obj->package.count;
> -	else if (nval <= 0)
> -		return -EINVAL;
>  
>  	if (nval > obj->package.count)
>  		return -EOVERFLOW;
> +	else if (nval <= 0)
> +		return -EINVAL;
>  
>  	items = obj->package.elements;
> +

This…

>  	switch (proptype) {
>  	case DEV_PROP_U8:
>  		ret = acpi_copy_property_array_u8(items, (u8 *)val, 
> nval);
> @@ -552,8 +553,7 @@ int acpi_dev_prop_read(struct acpi_device *adev, 
> const char *propname,
>  		ret = acpi_copy_property_array_string(items, (char 
> **)val, nval);
>  		break;
>  	default:
> -		ret = -EINVAL;
> -		break;
> +		return -EINVAL;

…and this seem left overs. If you wish I can resend this patch without
them.

>  	}
>  	return ret;
>  }

-- 
Andy Shevchenko <andriy.shevchenko@...ux.intel.com>
Intel Finland Oy
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